The impact of Displacement Ventilation with Breathing Zone Air Supply onInfectious Spread in Office: Field study and CFD simulationWakako Namba, Toshio Yamanaka, Narae Choi, Tomohiro Kobayashi, Noriaki Kobayashi and Nana ShikanoE3S Web of Conf., 396 (2023) 01080DOI: https://doi.org/10.1051/e3sconf/202339601080